- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/90 - Compositions based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose
Patent holdings for IPC class C09K 8/90
Total number of patents in this class: 372
10-year publication summary
|
68
|
38
|
45
|
21
|
26
|
15
|
11
|
7
|
14
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21338 |
80 |
| Schlumberger Technology Corporation | 11818 |
26 |
| Baker Hughes Holdings LLC | 3023 |
21 |
| Saudi Arabian Oil Company | 14235 |
17 |
| Baker Hughes Incorporated | 4934 |
10 |
| Independence Oilfield Chemicals, LLC | 41 |
10 |
| Schlumberger Canada Limited | 7606 |
8 |
| Schlumberger Technology B.v. | 5298 |
8 |
| Services Petroliers Schlumberger | 6024 |
8 |
| Integrity Bio-chemicals, LLC | 61 |
7 |
| Lamberti SpA | 257 |
6 |
| Univar USA Inc. | 14 |
6 |
| ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company | 186 |
6 |
| Aramco Services Company | 4195 |
5 |
| Elkem AS | 56 |
5 |
| Nissan Chemical America Corporation | 64 |
5 |
| Oji Holdings Corporation | 797 |
5 |
| Schlumberger Holdings Limited | 2699 |
4 |
| Cargill, Incorporated | 2964 |
4 |
| Flotek Chemistry, LLC | 115 |
4 |
| Other owners | 127 |